define([
    'dojo/_base/declare',
    'dojo/_base/lang',
    'dojo/date/stamp',
    '../store',
    '../app/Router',
    '../app/Page',
    '../widgets/ObjectBox',
    'dojo/text!./templates/sessions.html'
],function(declare,lang,dateStamp,store,Router,Page,ObjectBox,template){
    return declare([Page],{
        templateString: template,
        templateActions: null,
        sessionActions: null,
        startup: function() {
            if ( this._started ) { return; }
            this.inherited(arguments);
            this.templateActions = {
                "Edit": function(obj){
                    Router.go('/session/'+store.getIdentity(obj));
                },
                "Delete": lang.hitch(this,function(obj){
                    store.remove(store.getIdentity(obj),store.getRevision(obj))
                    .then(lang.hitch(this,function(){
                        this._refresh();
                    }));
                }),
                "Publish": lang.hitch(this,this._publishSession)
            };
            this.sessionActions = {
                "Facilitate": function(obj){
                    Router.go('run',{uid:store.getIdentity(obj)});
                },
                "Delete": lang.hitch(this,function(obj){
                    store.remove(store.getIdentity(obj),store.getRevision(obj))
                    .then(lang.hitch(this,function(){
                        this._refresh();
                    }));
                })
            };
            this._refresh();
        },
        _refresh: function() {
            this.containerTemplates.set('content','');
            this.containerSessions.set('content','');
            this._refreshByType('SessionTemplate',this.containerTemplates.domNode,this.templateActions);
            this._refreshByType('SessionInstance',this.containerSessions.domNode,this.sessionActions);
        },
        _refreshByType: function(type,container,actions) {
            store.query("_design/default/_view/by_type",{key:type})
            .forEach(lang.hitch(this,function(obj){
                var widget = new ObjectBox({
                    actions: actions
                }).placeAt(container, "last");
                widget.startup();
                widget.set('value',obj);
            }));
        },
        onAddSessionTemplate: function(){
            Router.go('/session/new');
        },
        _publishSession: function(sessionTemplate) {
            var session = lang.clone(sessionTemplate);
            delete session[store.idProperty];
            delete session[store.revProperty];
            session.type = "SessionInstance";
            session.publicationDate = store.timestamp();
            session.creator = "Igor Mayer";
            store.add(session)
            .then(lang.hitch(this,function(){
                this._refresh();
                this.tabContainer.selectChild(this.sessionsTab);
            }));
        }
    });
});